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Patents Canadian Patent Office

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Court permits addition of inventor to a patent that is subject of ongoing litigation

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In Regeneron Pharmaceuticals, Inc v Canada (AG), 2023 FC 768, the Federal Court granted Regeneron’s application to add an inventor to its issued patent, which was the subject of pending litigation. The Court was satisfied,...more

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Canadian Patent law 2022: A Year in Review

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2022 was an active year in Canadian patent law. Claim fees were introduced for the first time; changes were made to regulations providing remedies for excessive pricing of patented medicines; and a range of court decisions...more

Mintz - Intellectual Property Viewpoints

Obviousness-Type Double Patenting and Divisional Applications in Canada

Obviousness-type double patenting (“OTDP”) arises when two or more patents or applications include claims that, while not being identical, are not patentably distinct from each other. In the U.S., OTDP rejections can be...more

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Patentability of diagnostic methods – has the Canadian Patent Office drawn the line?

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The importance of medical diagnostic technologies has been brought to the fore with the COVID-19 pandemic. Rarely does a day pass when the media does not report on matters of approval and availability of tests, testing...more

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Allowance of Choueifaty patent application provides insight into CIPO's future approach to patentable subject matter

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In an apparent conclusion to the patent at the heart of the Federal Court of Canada’s decision in Yves Choueifaty v Attorney General of Canada, 2020 FC 837 [Choueifaty], Canadian patent application no. 2635393 (CA ‘393) was...more

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Canadian Patent Law 2020: A Year in Review

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2020 was an unusual year by all accounts. In this article we take a look back at developments in Canadian patent law in the past year, including the Government of Canada’s and the Canadian Patent Office’s response to...more

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Office Actions: Options to consider when you need an extension of time to respond to the Patent Office

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The extensive amendments to the Patent Act and Patent Rules that came into force on October 30, 2019 have complicated the practice for responding to an Office Action (i.e. an “Examiner’s Report”) issued by the Canadian Patent...more

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The final Thanksgiving… without a Canadian patent application filing date

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As Canadians begin to prepare for the first public holiday of the fall season, thoughts of turkey (or tofurkey), stuffing and loved ones gathered around the dinner table may serve to distract from the fact that the Canadian...more

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Rx IP Update - July 2018

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IN THIS ISSUE: - Shire’s VYVANSE patent valid, prohibition order issued - First judicial consideration of Vanessa’s Law: Health Canada must disclose requested clinical trial data - PMPRB News - Patented Medicine...more

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Understanding the similarities and differences between priority claims in Canada and the U.S.

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A valid priority claim can allow a patent application to benefit from the filing date of an earlier patent application so as to exclude certain prior art from consideration. The recent decision of the U.S. Federal Circuit in...more

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